Added dependants diagram filter

tests/t00043/.clang-uml

@@ -0,0 +1,15 @@
+compilation_database_dir: ..
+output_directory: puml
+diagrams:
+  t00043_class:
+    type: class
+    generate_packages: true
+    glob:
+      - ../../tests/t00043/t00043.cc
+    using_namespace:
+      - clanguml::t00043
+    include:
+      dependants:
+        - clanguml::t00043::dependants::A
+      relationships:
+        - dependency

tests/t00043/t00043.cc

@@ -0,0 +1,32 @@
+namespace clanguml::t00043 {
+
+namespace dependants {
+struct A {
+};
+
+struct B {
+    void b(A *a) { }
+};
+
+struct BB {
+    void bb(A *a) { }
+};
+
+struct C {
+    void c(B *b) { }
+};
+
+struct D {
+    void d(C *c) { }
+    void dd(BB *bb) { }
+};
+
+struct E {
+    void e(D *d) { }
+};
+
+struct F {
+};
+} // namespace dependants
+
+} // namespace clanguml::t00043

tests/t00043/test_case.h

@@ -0,0 +1,53 @@
+/**
+ * tests/t00043/test_case.cc
+ *
+ * Copyright (c) 2021-2022 Bartek Kryza <bkryza@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+TEST_CASE("t00043", "[test-case][class]")
+{
+    auto [config, db] = load_config("t00043");
+
+    auto diagram = config.diagrams["t00043_class"];
+
+    REQUIRE(diagram->name == "t00043_class");
+    REQUIRE(diagram->generate_packages() == true);
+
+    auto model = generate_class_diagram(db, diagram);
+
+    REQUIRE(model->name() == "t00043_class");
+
+    auto puml = generate_class_puml(diagram, *model);
+    AliasMatcher _A(puml);
+
+    REQUIRE_THAT(puml, StartsWith("@startuml"));
+    REQUIRE_THAT(puml, EndsWith("@enduml\n"));
+
+    REQUIRE_THAT(puml, IsClass(_A("A")));
+    REQUIRE_THAT(puml, IsClass(_A("B")));
+    REQUIRE_THAT(puml, IsClass(_A("BB")));
+    REQUIRE_THAT(puml, IsClass(_A("D")));
+    REQUIRE_THAT(puml, IsClass(_A("E")));
+    REQUIRE_THAT(puml, !IsClass(_A("F")));
+
+    REQUIRE_THAT(puml, IsDependency(_A("B"), _A("A")));
+    REQUIRE_THAT(puml, IsDependency(_A("BB"), _A("A")));
+    REQUIRE_THAT(puml, IsDependency(_A("C"), _A("B")));
+    REQUIRE_THAT(puml, IsDependency(_A("D"), _A("C")));
+    REQUIRE_THAT(puml, IsDependency(_A("E"), _A("D")));
+
+    save_puml(
+        "./" + config.output_directory() + "/" + diagram->name + ".puml", puml);
+}

tests/test_cases.cc

@@ -224,6 +224,7 @@ using namespace clanguml::test::matchers;
 #include "t00040/test_case.h"
 #include "t00041/test_case.h"
 #include "t00042/test_case.h"
+#include "t00043/test_case.h"
 
 //
 // Sequence diagram tests